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<h2 title="Class NodeTraversal.AbstractScopedCallback" class="title">Class NodeTraversal.AbstractScopedCallback</h2>
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<ul class="inheritance">
<li>java.lang.Object</li>
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<li>com.google.javascript.jscomp.NodeTraversal.AbstractScopedCallback</li>
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<dt>All Implemented Interfaces:</dt>
<dd><a href="../../../../com/google/javascript/jscomp/NodeTraversal.Callback.html" title="interface in com.google.javascript.jscomp">NodeTraversal.Callback</a>, <a href="../../../../com/google/javascript/jscomp/NodeTraversal.ScopedCallback.html" title="interface in com.google.javascript.jscomp">NodeTraversal.ScopedCallback</a></dd>
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<dl>
<dt>Enclosing class:</dt>
<dd><a href="../../../../com/google/javascript/jscomp/NodeTraversal.html" title="class in com.google.javascript.jscomp">NodeTraversal</a></dd>
</dl>
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<pre>public abstract static class <span class="strong">NodeTraversal.AbstractScopedCallback</span>
extends java.lang.Object
implements <a href="../../../../com/google/javascript/jscomp/NodeTraversal.ScopedCallback.html" title="interface in com.google.javascript.jscomp">NodeTraversal.ScopedCallback</a></pre>
<div class="block">Abstract scoped callback to visit all nodes in postorder.</div>
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<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
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<th class="colOne" scope="col">Constructor and Description</th>
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<tr class="altColor">
<td class="colOne"><code><strong><a href="../../../../com/google/javascript/jscomp/NodeTraversal.AbstractScopedCallback.html#NodeTraversal.AbstractScopedCallback()">NodeTraversal.AbstractScopedCallback</a></strong>()</code>&nbsp;</td>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../com/google/javascript/jscomp/NodeTraversal.AbstractScopedCallback.html#enterScope(com.google.javascript.jscomp.NodeTraversal)">enterScope</a></strong>(<a href="../../../../com/google/javascript/jscomp/NodeTraversal.html" title="class in com.google.javascript.jscomp">NodeTraversal</a>&nbsp;t)</code>
<div class="block">Called immediately after entering a new scope.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../com/google/javascript/jscomp/NodeTraversal.AbstractScopedCallback.html#exitScope(com.google.javascript.jscomp.NodeTraversal)">exitScope</a></strong>(<a href="../../../../com/google/javascript/jscomp/NodeTraversal.html" title="class in com.google.javascript.jscomp">NodeTraversal</a>&nbsp;t)</code>
<div class="block">Called immediately before exiting a scope.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../com/google/javascript/jscomp/NodeTraversal.AbstractScopedCallback.html#shouldTraverse(com.google.javascript.jscomp.NodeTraversal, com.google.javascript.rhino.Node, com.google.javascript.rhino.Node)">shouldTraverse</a></strong>(<a href="../../../../com/google/javascript/jscomp/NodeTraversal.html" title="class in com.google.javascript.jscomp">NodeTraversal</a>&nbsp;nodeTraversal,
              <a href="../../../../com/google/javascript/rhino/Node.html" title="class in com.google.javascript.rhino">Node</a>&nbsp;n,
              <a href="../../../../com/google/javascript/rhino/Node.html" title="class in com.google.javascript.rhino">Node</a>&nbsp;parent)</code>
<div class="block">Visits a node in pre order (before visiting its children) and decides
 whether this node's children should be traversed.</div>
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<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
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<h3>Methods inherited from interface&nbsp;com.google.javascript.jscomp.<a href="../../../../com/google/javascript/jscomp/NodeTraversal.Callback.html" title="interface in com.google.javascript.jscomp">NodeTraversal.Callback</a></h3>
<code><a href="../../../../com/google/javascript/jscomp/NodeTraversal.Callback.html#visit(com.google.javascript.jscomp.NodeTraversal, com.google.javascript.rhino.Node, com.google.javascript.rhino.Node)">visit</a></code></li>
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<h4>NodeTraversal.AbstractScopedCallback</h4>
<pre>public&nbsp;NodeTraversal.AbstractScopedCallback()</pre>
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<h3>Method Detail</h3>
<a name="shouldTraverse(com.google.javascript.jscomp.NodeTraversal, com.google.javascript.rhino.Node, com.google.javascript.rhino.Node)">
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<h4>shouldTraverse</h4>
<pre>public final&nbsp;boolean&nbsp;shouldTraverse(<a href="../../../../com/google/javascript/jscomp/NodeTraversal.html" title="class in com.google.javascript.jscomp">NodeTraversal</a>&nbsp;nodeTraversal,
                     <a href="../../../../com/google/javascript/rhino/Node.html" title="class in com.google.javascript.rhino">Node</a>&nbsp;n,
                     <a href="../../../../com/google/javascript/rhino/Node.html" title="class in com.google.javascript.rhino">Node</a>&nbsp;parent)</pre>
<div class="block"><strong>Description copied from interface:&nbsp;<code><a href="../../../../com/google/javascript/jscomp/NodeTraversal.Callback.html#shouldTraverse(com.google.javascript.jscomp.NodeTraversal, com.google.javascript.rhino.Node, com.google.javascript.rhino.Node)">NodeTraversal.Callback</a></code></strong></div>
<div class="block"><p>Visits a node in pre order (before visiting its children) and decides
 whether this node's children should be traversed. If children are
 traversed, they will be visited by
 <a href="../../../../com/google/javascript/jscomp/NodeTraversal.Callback.html#visit(com.google.javascript.jscomp.NodeTraversal, com.google.javascript.rhino.Node, com.google.javascript.rhino.Node)"><code>NodeTraversal.Callback.visit(NodeTraversal, Node, Node)</code></a> in postorder.</p>
 <p>Implementations can have side effects (e.g. modifying the parse
 tree).</p></div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../com/google/javascript/jscomp/NodeTraversal.Callback.html#shouldTraverse(com.google.javascript.jscomp.NodeTraversal, com.google.javascript.rhino.Node, com.google.javascript.rhino.Node)">shouldTraverse</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../com/google/javascript/jscomp/NodeTraversal.Callback.html" title="interface in com.google.javascript.jscomp">NodeTraversal.Callback</a></code></dd>
<dt><span class="strong">Returns:</span></dt><dd>whether the children of this node should be visited</dd></dl>
</li>
</ul>
<a name="enterScope(com.google.javascript.jscomp.NodeTraversal)">
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<h4>enterScope</h4>
<pre>public&nbsp;void&nbsp;enterScope(<a href="../../../../com/google/javascript/jscomp/NodeTraversal.html" title="class in com.google.javascript.jscomp">NodeTraversal</a>&nbsp;t)</pre>
<div class="block"><strong>Description copied from interface:&nbsp;<code><a href="../../../../com/google/javascript/jscomp/NodeTraversal.ScopedCallback.html#enterScope(com.google.javascript.jscomp.NodeTraversal)">NodeTraversal.ScopedCallback</a></code></strong></div>
<div class="block">Called immediately after entering a new scope. The new scope can
 be accessed through t.getScope()</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../com/google/javascript/jscomp/NodeTraversal.ScopedCallback.html#enterScope(com.google.javascript.jscomp.NodeTraversal)">enterScope</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../com/google/javascript/jscomp/NodeTraversal.ScopedCallback.html" title="interface in com.google.javascript.jscomp">NodeTraversal.ScopedCallback</a></code></dd>
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<h4>exitScope</h4>
<pre>public&nbsp;void&nbsp;exitScope(<a href="../../../../com/google/javascript/jscomp/NodeTraversal.html" title="class in com.google.javascript.jscomp">NodeTraversal</a>&nbsp;t)</pre>
<div class="block"><strong>Description copied from interface:&nbsp;<code><a href="../../../../com/google/javascript/jscomp/NodeTraversal.ScopedCallback.html#exitScope(com.google.javascript.jscomp.NodeTraversal)">NodeTraversal.ScopedCallback</a></code></strong></div>
<div class="block">Called immediately before exiting a scope. The ending scope can
 be accessed through t.getScope()</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../com/google/javascript/jscomp/NodeTraversal.ScopedCallback.html#exitScope(com.google.javascript.jscomp.NodeTraversal)">exitScope</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../com/google/javascript/jscomp/NodeTraversal.ScopedCallback.html" title="interface in com.google.javascript.jscomp">NodeTraversal.ScopedCallback</a></code></dd>
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